HF
active
receiving loop antenna.

John's (now G8CQX, previously G4UAZ) original active loop antenna design upon which the M0AYF version is based.

Reproduced here from the"Technical
Topics" column of the June 1986 edition of "RadCom" (The R.S.G.B.s monthly publication)with full permission of the RSGB subject to the inclusion of the followingcopyright statement: